RustCrypto: X-Wing KEM

Pure Rust implementation of X-Wing, a general-purpose post-quantum/traditional hybrid key encapsulation mechanism (PQ/T KEM) built on X25519 and ML-KEM-768. Built on the ml-kem and x25519-dalek crates.

Current implementation matches the draft RFC version 06.

The original paper: X-Wing The Hybrid KEM You’ve Been Looking For

Documentation

About

⚠️ Security Warning

The implementation contained in this crate has never been independently audited!

USE AT YOUR OWN RISK!

Minimum Supported Rust Version

This crate requires Rust 1.81 at a minimum.

We may change the MSRV in the future, but it will be accompanied by a minor version bump.

License

Licensed under either of:

• Apache License, Version 2.0
• MIT license

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.